(WJLA) - It was seven years ago Thursday that Steve Jobs stood on a stage in San Francisco and told his ardent followers that he was introducing what he called a "revolutionary product that changes everything."

As CNet points out, the iPhone now occupies nearly half of the smartphone market in the United States. In its first three months, Apple sold 1.4 million phones. More recently, the company sold 150 million of the devices during the last fiscal year.